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109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef TEST_H
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#define TEST_H
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/*
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* Provides types and variables used when performing the memory tests.
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*
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* Copyright (C) 2020-2022 Martin Whitaker.
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include "pmem.h"
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#include "smp.h"
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#include "barrier.h"
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#include "spinlock.h"
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/*
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* A mapping from a CPU core number to the index number of the memory chunk
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* it operates on when performing a memory test in parallel across all the
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* enabled cores.
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*/
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extern uint8_t chunk_index[MAX_CPUS];
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/*
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* The number of CPU cores being used for the current test. This is always
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* either 1 or the full number of enabled CPU cores.
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*/
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extern int num_active_cpus;
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/*
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* The current master CPU core.
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*/
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extern int master_cpu;
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/*
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* A barrier used when running tests.
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*/
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extern barrier_t *run_barrier;
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/*
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* A mutex used when reporting errors or printing trace information.
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*/
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extern spinlock_t *error_mutex;
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/*
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* The word width (in bits) used for memory testing.
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*/
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#ifdef __x86_64__
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#define TESTWORD_WIDTH 64
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#else
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#define TESTWORD_WIDTH 32
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#endif
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/*
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* The number of hex digits needed to display a memory test word.
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*/
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#define TESTWORD_DIGITS (TESTWORD_WIDTH / 4)
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/*
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* The word type used for memory testing.
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*/
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typedef uintptr_t testword_t;
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/*
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* A virtual memory segment descriptor.
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*/
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typedef struct {
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uintptr_t pm_base_addr;
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testword_t *start;
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testword_t *end;
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} vm_map_t;
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/*
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* The list of memory segments currently mapped into virtual memory.
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*/
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extern vm_map_t vm_map[MAX_MEM_SEGMENTS];
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/*
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* The number of memory segments currently mapped into virtual memory.
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*/
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extern int vm_map_size;
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/*
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* The number of completed test passes.
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*/
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extern int pass_num;
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/*
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* The current test number.
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*/
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extern int test_num;
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/*
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* A flag indicating that testing should be restarted due to a configuration
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* change.
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*/
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extern bool restart;
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/*
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* A flag indicating that the current test should be aborted.
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*/
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extern bool bail;
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/*
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* The base address of the block of memory currently being tested.
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*/
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extern uintptr_t test_addr[MAX_CPUS];
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#endif // TEST_H
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